Quaternary Geologic History of the South Puget Sound and Nisqually Reach Area

Northwest Geological Society Monthly Presentation

Quaternary Geologic History of the South Puget Sound and Nisqually Reach Area by Tim Walsh, Wash. Geological Survey (retired) & CREW (Cascadia Region Earthquake Workgroup).

The talk will cover results of recent mapping in the south Puget Sound Basin which has demonstrated that the upper Pleistocene stratigraphy differs significantly from that exposed farther north in the Seattle area.

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